{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["ethnicity", "administrative division of country"], "input": "One investor who found himself in that position is David Anderson , an assistant professor of computer science at Carnegie Mellon University in Pittsburgh ."}
{"ethnicity": [], "administrative division of country": []}